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双折射材料的温度修正 Birefringent Material Temperature Modification Rj F'x SvN9aD1 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: B/5=]R A7!g 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline mNf8kwr yKXff1^M 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline Wk:hFHs3 *19ax&|*S 3.Loop over the baseline material samples and determine the number of wavelength entries ^l^fD t LA_3=@2.H 4.Loop over each sampled wavelength entry in the baseline material e{;OSk`x /vY_Y3k# a.Modify the ordinary and extraordinary refractive index values using (2) above }?cGf-c qQpnLV 4 b.Apply the modified values to the non-baseline material -/_L*oYli ky
8e p 5.Set a description on the non-baseline material indicating the temperature change from baseline N=:5eAza KbL V'%D 脚本编程及GUI例程请下载链接: cJM: M
:3u@06a http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs hS[yNwD ,f}UGd[a http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd pA{ 5V9 vA$o~?a]/ rC:?l(8ng3 QQ:2987619807 c PgfTT
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